ZFS Pool Versions

The following table provides a list of ZFS pool versions that are available in the Solaris releases.

Version	Oracle Solaris 11 Express	Description
1	snv_36	Initial ZFS version
2	snv_38	Ditto blocks (replicated metadata)
3	snv_42	Hot spares and double parity RAID-Z
4	snv_62	`zpool history`
5	snv_62	`gzip` compression algorithm
6	snv_62	`bootfs` pool property
7	snv_68	Separate intent log devices
8	snv_69	Delegated administration
9	snv_77	`refquota` and `refreservation` properties
10	snv_78	Cache devices
11	snv_94	Improved scrub performance
12	snv_96	Snapshot properties
13	snv_98	`snapused` property
14	snv_103	`aclinherit` `passthrough-x` property
15	snv_114	user and group space accounting
16	snv_116	`stmf` property
17	snv_120	Triple-parity RAID-Z
18	snv_121	Snapshot user holds
19	snv_125	Log device removal
20	snv_128	`zle` (zero-length encoding) compression algorithm
21	snv_128	Deduplication
22	snv_128	Received properties
23	snv_135	Slim ZIL
24	snv_137	System attributes
25	snv_140	Improved scrub stats
26	snv_141	Improved snapshot deletion performance
27	snv_145	Improved snapshot creation performance
28	snv_147	Multiple vdev replacements
29	snv_148	RAID-Z/mirror hybrid allocator
30	snv_149	Encryption
31	snv_150	Improved 'zfs list' performance
32	snv_151	One MB blocksize

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	Oracle Solaris ZFS Administration Guide Oracle Solaris 11 Express 11/10